Passat Sedan 4Motion W8-4.0L (BDP) (2002)
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Oil Cooler: All Technical Service Bulletins
Engine - Whining Noise At 1,100 to 1,500 RPM
Condition
Engine, Whining Noise Between 1100 and 1500 RPM
17 07 01 Jan.16, 2007, 2001871, supersedes Technical Bulletin Group 17 number 02-03 dated May 30, 2002 due to inclusion in ElsaWeb.
Technical Background
Whining noise from engine between 1100 and 1500 RPM (vibration may also be felt in passenger-side floorboard area).
This noise may be caused by the oil cooler mounting.Vibration from oil cooler/filter flange (which is bolted to the vehicle chassis) could be transmitted
to the body.
Production Solution
New isolators are installed beginning with Vehicle Identification Number (VIN): 3B_E388529 and VIN 3B_P353571.See Required Parts and Tools
Service
For vehicles produced prior to listed VINs:
-
Identify three (3) bonded rubber isolators -4- on oil cooler flange.
Isolator, identifying
-
"Old" bonded rubber isolator has metal casing 2/3 the length of the rubber between the studs.
-
"New" bonded rubber isolator is solid rubber between the studs and has no metal casing.
If old bonded rubber isolators are installed:
-
Replace three (3) isolators with new bonded rubber isolators.
Whenever oil cooler mounting is removed:
